2001-2003 Four Winns Horizon 180 190 200 Owners Manual

2
.
Use extreme caution while operating  the engine
in  confined  areas  such  as  enclosed  slips  or
congested piers. Operation under such conditions
could  easily  lead  to exhaust  gasses  (carbon
monoxide) entering even though you may have all
thehatches, windows, doorsandportholesclosed.
B.   Pitch
Pitch is a measure of helix angle, or angle of attack, of
the rotating blade. Pitch is easily understood if one imag-
ines the propeller rotating through a semisolid such as
butter or jello.  The  distance the propeller will travel in
one revolution is called “Pitch.”  Increasing or decreas-
ing pitch will also have a direct bearing on engine rpm’s
because of the greater bite taken by the blade with each
rotation.  See Figure E1.
3.
Persons sleeping can be easily overcome by car-
bon monoxide because  they are unaware  of its
presence. Sleeping while the engine is running is
not recommended. If persons are sleeping aboard
while underway, those awake should monitor for
carbon monoxide accumulation in the cabin; es-
pecially the sleeping areas.
NEVER operate the propulsion engine while
everyone on-board is sleeping. Fatal carbon
monoxide poisoning can occur.
For additional information,  refer to Section B-2  Car-
bon Monoxide.
E - 3
ENGINES
Consult the  engine owners  manual included  in the
owner’s packet for  additional operation and mainte-
nance information.
E - 4
PROPELLERS
Knowledge  of the  propeller  is most  easily  gained
through better understanding of the terminology used
to refer  to the aspects  of propeller  size and perfor-
mance.
NOTICE
Never run with a damaged propeller. You can
damage the  engine or  drive unit.   Keep  a
spare propeller on board.
Figure E1:  Propeller Pitch & Diameter
A.   Diameter
C.   Prop Slip
Diameter is twice the distance from the center of the
prop shaft to the extreme tip of a propeller blade. In-
creasing or decreasing propeller size will have a direct
bearing on the rpm’s an engine will develop.  This  is
due to the greater amount of propeller blade surface in
contact with the water. See Figure E1.
When traveling through  water a propeller is unable  to
get a complete bite because of the fluidity of water. “Prop
slip” is usually expressed as a percent of the computed
theoretical speed.   Fifteen to twenty-five percent prop
slip is common for a sport-type boat operating at cruis-
ing speed.
1
Owner’s Manual
08/01
80/190/200 Horizon
Section E
Page 2
Product Specification
CategoriesFour Winns Manuals, Outboard Marine Corporation Manuals
Model Year2001, 2002, 2003
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- 131 pages
Document TypeOwner's Manual
LanguageEnglish
Product BrandBoats and Cruisers, Four Winns. For support contact your dealer at http://www.fourwinns.com/locate-dealer.aspx
Document File TypePDF
Publisherfourwinns.com
Wikipedia's PageOutboard Marine Corporation
CopyrightAttribution Non-commercial
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